// Idempotent migration runner. Run via `bun run migrate` / on container start.
import { readFileSync } from "node:fs";
import { fileURLToPath } from "node:url";
import { dirname, join } from "node:path";
import postgres from "postgres";

const url = process.env.DATABASE_URL;
if (!url) {
  console.error("DATABASE_URL not set");
  process.exit(1);
}

const here = dirname(fileURLToPath(import.meta.url));
const sql = postgres(url, { max: 1 });

try {
  const ddl = readFileSync(join(here, "migrations", "0001_init.sql"), "utf8");
  // Trusted local DDL file, not user input.
  await sql.unsafe(ddl);
  console.log("migration 0001_init applied");
} finally {
  await sql.end();
}